Updated: Jun 25, 2026
Location and Projects
Address
133 KENSINGTON RD, Southington, CT, 06489
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Michael K Duffy Plumber
Michael K Duffy, 133 Kensington Rd, Southington, CT (Employee: Michael Duffy) holds a Plumbing & Piping Unlimited Contractor license and 1 other license according to the Connecticut license board.
Their BuildZoom score of 96 ranks in the top 20% of 12,093 Connecticut licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Michael K Duffy, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Michael K Duffy Services
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Michael K Duffy Contact Information
Address: 133 KENSINGTON RD, Southington, CT 06489
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Michael K Duffy Southington
Quality
96
80th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Michael K Duffy has a BuildZoom score of 96, which places them above 80% of 12,093 contractors in Connecticut.
Activity
|
1 project
|
2025 |
|
2 projects
|
2024 |
Our building permit records indicate that Michael K Duffy has worked on at least
3.0 projects over the past 2 years.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Pricing
|
1 project
|
< $5k |
|
1 project
|
$50k-$100k |
Pro tip:
For more details about their pricing, check out their recent activity to see how much they have charged for different types of work.
This is a sample of this contractor's permits. Click here to access their complete permit history.
56 prospect st. second floor north side. two areas of work. area 1 remove 3 heads install 9 new vic concealed heads with white plates on existing arm overs area 2 remove 2 heads install 9 new vic concealed heads with white plates on existing arm overs. all other existing areas remain as is
Valuation:
N/A
Permit #:
MISC-FIRSU-23-000104
Status:
complete
Fee:
$160
Permit Type:
N/A
Building Type:
Commercial
Remove (1) one sprinkler head per dwg. 30th floor of chase enterprises corporate office goodwin square. ref: com-alt-24-000011 commercial alteration permit
Valuation:
$1,000
Permit #:
MISC-FIRSU-24-000024
Status:
withdrawn
Fee:
N/A
Permit Type:
N/A
Building Type:
Commercial
Install new waste vent and water piping to 3 new toilets 3 bathroom sinks 16 new exam room sinks 3 sinks other. relocate gas piping to new rtus per plumbingdrawings of 06/07/19 #1742. m nomack
Valuation:
$117,000
Permit #:
P-19-450
Status:
issued
Fee:
$3,560
Permit Type:
plumbing
Building Type:
Commercial
Demolish & new plumbing per dwg dated 02/26/21
Valuation:
$167,000
Permit #:
51215
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install new men's and ladies room 2nd floor & entry. waste water piping to new fixtures. demolish existing fixtures as required. r dillon
Valuation:
$32,000
Permit #:
P-19-98
Status:
complete
Fee:
$1,018
Permit Type:
Plumbing
Building Type:
Commercial
Relocate existing sprinkler heads to new ceiling lay out 2nd floor office and 1st floor bathroom entry r. dillon
Valuation:
$29,000
Permit #:
P-19-99
Status:
complete
Fee:
$928
Permit Type:
Sprinkler
Building Type:
Commercial
Install new waste vent cw to new sink in break room.water heater to be instant under sink. cw to frig. m nomack
Valuation:
$13,000
Permit #:
P-19-329
Status:
complete
Fee:
$413
Permit Type:
Plumbing
Building Type:
Commercial
Relocate existing sprinkler heads to new ceiling lay out. aprox. 30 heads will be relocated. m nomack
Valuation:
$10,000
Permit #:
P-19-330
Status:
complete
Fee:
$323
Permit Type:
Sprinkler
Building Type:
Commercial
No Description Available
Valuation:
$60,000
Permit #:
P-24-66
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Shut off fire sprinkler system. remove sprinkler heads and arm overs. plug branch line out lets leave system off. **fees paid under b-19-285** insp: m nomack 203-946-7595
Valuation:
N/A
Permit #:
P-19-197
Status:
issued
Fee:
N/A
Permit Type:
Sprinkler
Building Type:
Commercial
Two new sinks waste vent water pipe. ro/di water to sinks. co2 n2 ca vac lines run to new labs. m nomack
Valuation:
$117,000
Permit #:
P-19-388
Status:
issued
Fee:
$3,560
Permit Type:
Plumbing
Building Type:
Commercial
Per drawing p202 p201 p101 waste vent water heater fixtures and gas pipe. m. rispoli inspector: m. rispoli 203-946-8038 certificate of approval
Valuation:
$79,000
Permit #:
P-17-161
Status:
complete
Fee:
$2,410
Permit Type:
plumbing
Building Type:
Commercial
New plumbing installation per plans
Valuation:
$595,320
Permit #:
15063
Status:
complete
Fee:
N/A
Permit Type:
New installation
Building Type:
Municipal
20th fl. wood creek capital. remove existing lunchroom. addition new ice maker d.w coffee maker sink waste water venting as required per plan. insp: m rispoli 203-946-8038 cert of appr: n/a contractor: 203-671-1530
Valuation:
$25,000
Permit #:
P-15-42
Status:
complete
Fee:
$704
Permit Type:
plumbing
Building Type:
Commercial
Adjust sprinkler heads to new ceiling hang on 26th and 27th floors as shown on drawing. m rispoli inspector: m rispoli 203-946-8038 contractor: 203-671-1530
Valuation:
$39,000
Permit #:
P-16-442
Status:
complete
Fee:
$1,200
Permit Type:
Sprinkler
Building Type:
Commercial
Natural gas line for temporary heat new meter to keep vacant building warm
Valuation:
$1,500
Permit #:
16401
Status:
complete
Fee:
N/A
Permit Type:
New installation
Building Type:
Commercial
18th fl. bankruptcy office. 1 toilet; 1 sink; 1 lunchroom sink waste vent water as required per plan. insp: m rispoli 203-946-8038 cert of appr: n/a contractor: 203-671-1530
Valuation:
$17,000
Permit #:
P-15-41
Status:
issued
Fee:
$486
Permit Type:
plumbing
Building Type:
Commercial
Gas piping for renovated building & addition to include line for temporary heat
Valuation:
$1
Permit #:
16511
Status:
complete
Fee:
N/A
Permit Type:
New installation
Building Type:
Municipal
Install sprinkler system per plan. insp: m rispoli 203-946-8038 cert of approval contractor: 203-671-1530
Valuation:
$75,000
Permit #:
P-15-43
Status:
issued
Fee:
$2,097
Permit Type:
Sprinkler
Building Type:
Commercial
Demolish sprinkler in room per plan. install per plan. m rispoli contractor: 203-248-9858
Valuation:
$4,000
Permit #:
P-16-354
Status:
issued
Fee:
$132
Permit Type:
Fire suppression-...
Building Type:
Commercial
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Michael K Duffy Reviews
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Verified License
BuildZoom confirmed this contractor's license
Michael K Duffy License info
Verified License
| License # | PLM.0204040-P1 |
| Status | Active |
| State | Connecticut |
| Type | Plumbing & Piping Unlimited Contractor |
| Date Issued | 11-03-2025 |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Michael K Duffy at the Connecticut Department of Consumer Protection.
This is a sample of licensing data; click here to access a complete history.
License Not Required
| Status | Not Required |
- BuildZoom verified in September, 2019 that this contractor does not need a license to be a plumber in Connecticut.
This is a sample of licensing data; click here to access a complete history.
96
BuildZoom Score
25
Permits
- Building permit records show that Michael K Duffy has worked on 25 permitted projects.
Michael K Duffy Employees
MD
Michael Duffy